234 



PHENOLOGY 



the legumes, mints, figworts, roses, etc., bloom during this season 

 (Fig. 105). The winter buds of the forest trees develop at this time. 

 E. Serotinal Season.—This season lasts from the middle of August 

 until late in September and is characterized by the blooming of 

 many tall coarse plants largely of the composite family. The hare- 



FiG. 105. ^Prairie clover {FetalusU'/nnm), a flower of the festival season. 

 (Photograph by A. G. Eldredge.) 



bell {Camyanula americana) is also characteristic of this season. 

 By this time forest tree activity has practically ceased above ground. 

 F. Autumnal Season.— The autumnal season usually begins late 

 in September and extends to the beginning of winter in the middle 

 or latter part of November. It is characterized by the blooming of 

 such plants as the goldenrod and asters, and by the falling of leaves 

 and the ripening of fruits. 



